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研究生:郭育孝
研究生(外文):Yu-Hsiao Kuo
論文名稱:聚酯類高分子摻合物之不定型區相容性與結晶區相型態之探討
論文名稱(外文):Miscibility in Amorphous Phase and Morphology in Crystalline Phase of Aryl Polyester Blends
指導教授:吳逸謨
指導教授(外文):Ea-Mor Woo
學位類別:碩士
校院名稱:國立成功大學
系所名稱:化學工程學系碩博士班
學門:工程學門
學類:化學工程學類
論文種類:學術論文
論文出版年:2002
畢業學年度:90
語文別:中文
論文頁數:124
中文關鍵詞:相型態聚酯類高分子摻合相容性
外文關鍵詞:PETPEIPTTPBT
相關次數:
  • 被引用被引用:2
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  • 下載下載:131
  • 收藏至我的研究室書目清單書目收藏:0
本研究利用微分掃描熱卡計(DSC)、偏光顯微鏡(POM)、掃描式電子顯微鏡(SEM)及廣角X光繞射儀(WAXD),來深入探討兩成分摻合系統poly(trimethylene terephthalate) /poly(ether imide)(PTT/PEI)、poly(trimethylene terephthalate) /poly(butylene terephthalate)(PTT/PBT)、poly(trimethylene terephthalate) /poly(ethylene terephthalate) (PTT/PET)、及三成分摻合系統poly(butylene terephthalate) /poly(trimethylene terephthalate) /poly(ethylene terephthalate) (PBT/PTT/PET)在不定形區之玻璃轉化行為、微觀相型態,及結晶區之結晶行為等。在此四個摻合系統中,經由熱分析結果皆得到單一玻璃轉移溫度Tg與冷結晶溫度Tcc,進一步藉由POM與SEM觀察微觀相型態,也皆為混合均勻的單相型態,因此證實這四個摻合系統為完全相容的系統。
另外,探討PTT/PEI摻合體在190℃∼170℃的球晶型態,可發現明顯的環狀消光環(ring-banded spherulite)及馬爾他十字(Malteses-cross)的球晶。且其環狀消光環的寬度會隨著PEI含量的增加而減少,並造成球晶變得較為粗糙。
在PTT/PBT與PTT/PET摻合系統中,由WAXD可發現摻合體在結晶態時仍然保有其個別高分子組成特性;在結晶動力中發現,其組成高分子相互影響結晶速率與結晶機制。且利用POM觀察球晶型態,發現PTT/PBT摻合體的球晶型態,皆是與含量較多的組成高分子相似,即PTT富成分的球晶類似於PTT,而PBT富成分的球晶類似於PBT;但PTT/PET摻合體的球晶型態,就與組成的高分子明顯不同。
Miscibility and morphology of poly(trimethylene terephthalate) /poly(butylene terephthalate) (PTT/PBT)、poly(trimethylene terephthalate) /poly(ethylene terephthalate) (PTT/PET)、poly(butylene terephthalate) /poly(trimethylene terephthalate) /poly(ethylene terephthalate) (PBT/PTT/PET) and poly(trimethylene terephthalate) /poly(ether imide) (PTT/PEI) blends were investigated by using differential scanning calorimeter(DSC), polarized-light microscopy(POM), scanning electron microscopy(SEM) and wide-angle X-ray diffraction(WAXD). Only one distinct glass transition temperature(Tg) could be observed by means of DSC measurement. The POM and SEM results indicated one homogeneity morphology. According to these results, it was proposed completely miscible systems.
For PTT/PEI blend system, ring-banded spherulites with Malteses-cross patterns were shown. As the PEI contents increased and they became more coarse.
For PTT/PBT and PTT/PET blends, it was found that the crystal cell types in crystalline regions of the miscible blends remained individually different each other, by using determining WAXD. The rate of nucleation and growth crystallization was effected by miscible components in the blends on the basis of Avrami model. For PTT/PBT blend system, as the PTT concentration is increased, the spherulitic morphology is similar to that of neat PTT, and vice versa. For PTT/PET blend system, spherulites in blend system are quite different from neat PTT.
中文摘要 I
英文摘要 II
誌 謝 III
總目錄 IV
表目錄 VI
圖目錄 VII
第一章 簡介 1
第二章 原理 5
§2-1 高分子相容性 5
§2-2 玻璃轉移行為 7
§2-3 結晶動力理論 10
第三章 實驗 12
§3-1 試藥 12
§3-2 試樣之製備 13
§3-3 儀器 13
第四章 結果與討論 15
§4-1 PTT/PEI兩成分共摻系統 15
§4-1-1 相型態之分析 15
§4-1-2 熱行為之分析 15
§4-2 PTT/PBT 兩成分共摻系統 24
§4-2-1 相型態之分析 24
§4-2-2 熱行為之分析 24
§4-2-3 摻合體結晶行為探討 26
§4-3 PTT/PET兩成分共摻系統 51
§4-3-1 相形態之分析 51
§4-3-2 熱行為之分析 51
§4-3-3 摻合體結晶行為探討 53
§4-4 PTT / PBT /PET三成分共摻系統 76
§4-4-1 相型態之分析 76
§4-4-2 熱行為之分析 76
§4-5 球晶形態觀察 88
§4-5-1 PTT/PEI兩成分摻合系統 88
§4-5-2 PTT/PBT兩成分摻合系統 88
§4-5-3 PTT/PET兩成分摻合系統 89
第五章 結論 101
參考文獻 103
本論文相關發表 107
自述 107
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